projects / people / ms / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 59bd9ded | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 07b20889 RP |
2 | /* |
| 3 | * linux/fs/pnode.h | |
| 4 | * | |
| 5 | * (C) Copyright IBM Corporation 2005. | |
| 07b20889 RP |
6 | */ |
| 7 | #ifndef _LINUX_PNODE_H | |
| 8 | #define _LINUX_PNODE_H | |
| 9 | ||
| 10 | #include <linux/list.h> | |
| b2dba1af | 11 | #include "mount.h" |
| 03e06e68 | 12 | |
| fc7be130 AV |
13 | #define IS_MNT_SHARED(m) ((m)->mnt.mnt_flags & MNT_SHARED) |
| 14 | #define IS_MNT_SLAVE(m) ((m)->mnt_master) | |
| ee2e3f50 | 15 | #define IS_MNT_NEW(m) (!(m)->mnt_ns || is_anon_ns((m)->mnt_ns)) |
| fc7be130 AV |
16 | #define CLEAR_MNT_SHARED(m) ((m)->mnt.mnt_flags &= ~MNT_SHARED) |
| 17 | #define IS_MNT_UNBINDABLE(m) ((m)->mnt.mnt_flags & MNT_UNBINDABLE) | |
| f2ebb3a9 AV |
18 | #define IS_MNT_MARKED(m) ((m)->mnt.mnt_flags & MNT_MARKED) |
| 19 | #define SET_MNT_MARK(m) ((m)->mnt.mnt_flags |= MNT_MARKED) | |
| 20 | #define CLEAR_MNT_MARK(m) ((m)->mnt.mnt_flags &= ~MNT_MARKED) | |
| 0c56fe31 | 21 | #define IS_MNT_LOCKED(m) ((m)->mnt.mnt_flags & MNT_LOCKED) |
| 03e06e68 | 22 | |
| b90fa9ae | 23 | #define CL_EXPIRE 0x01 |
| a58b0eb8 | 24 | #define CL_SLAVE 0x02 |
| 4ce5d2b1 | 25 | #define CL_COPY_UNBINDABLE 0x04 |
| b90fa9ae | 26 | #define CL_MAKE_SHARED 0x08 |
| 796a6b52 | 27 | #define CL_PRIVATE 0x10 |
| 7a472ef4 | 28 | #define CL_SHARED_TO_SLAVE 0x20 |
| 3bd045cc | 29 | #define CL_COPY_MNT_NS_FILE 0x40 |
| 4ce5d2b1 EB |
30 | |
| 31 | #define CL_COPY_ALL (CL_COPY_UNBINDABLE | CL_COPY_MNT_NS_FILE) | |
| b90fa9ae | 32 | |
| 0f0afb1d | 33 | static inline void set_mnt_shared(struct mount *mnt) |
| b90fa9ae | 34 | { |
| 0f0afb1d AV |
35 | mnt->mnt.mnt_flags &= ~MNT_SHARED_MASK; |
| 36 | mnt->mnt.mnt_flags |= MNT_SHARED; | |
| b90fa9ae RP |
37 | } |
| 38 | ||
| 0f0afb1d | 39 | void change_mnt_propagation(struct mount *, int); |
| 84d17192 | 40 | int propagate_mnt(struct mount *, struct mountpoint *, struct mount *, |
| 38129a13 | 41 | struct hlist_head *); |
| c003b26f | 42 | int propagate_umount(struct list_head *); |
| 1ab59738 | 43 | int propagate_mount_busy(struct mount *, int); |
| 5d88457e | 44 | void propagate_mount_unlock(struct mount *); |
| 4b8b21f4 | 45 | void mnt_release_group_id(struct mount *); |
| 6fc7871f | 46 | int get_dominating_id(struct mount *mnt, const struct path *root); |
| edf7ddbf | 47 | int mnt_get_count(struct mount *mnt); |
| 84d17192 | 48 | void mnt_set_mountpoint(struct mount *, struct mountpoint *, |
| 44d964d6 | 49 | struct mount *); |
| 1064f874 EB |
50 | void mnt_change_mountpoint(struct mount *parent, struct mountpoint *mp, |
| 51 | struct mount *mnt); | |
| 87129cc0 | 52 | struct mount *copy_tree(struct mount *, struct dentry *, int); |
| 643822b4 | 53 | bool is_path_reachable(struct mount *, struct dentry *, |
| afac7cba | 54 | const struct path *root); |
| d2921684 | 55 | int count_mounts(struct mnt_namespace *ns, struct mount *mnt); |
| 07b20889 | 56 | #endif /* _LINUX_PNODE_H */ |